CN203460103U - Ratchet screwdriver - Google Patents
Ratchet screwdriver Download PDFInfo
- Publication number
- CN203460103U CN203460103U CN201320569174.0U CN201320569174U CN203460103U CN 203460103 U CN203460103 U CN 203460103U CN 201320569174 U CN201320569174 U CN 201320569174U CN 203460103 U CN203460103 U CN 203460103U
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- Prior art keywords
- screwdriver
- ratchet
- handle
- model
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a ratchet screwdriver which comprises a screwdriver rod and a handle, wherein a ratchet mechanism is arranged in the handle; one end of the screwdriver rod extends into the handle and is connected with the ratchet mechanism; and a hand gear is coaxially and fixedly arranged on the screwdriver rod and located outside the handle. When the ratchet screwdriver is used for unscrewing a screw, the loose screw can be easily dismounted by rotating the hand gear, and the working efficiency of the ratchet screwdriver is improved greatly further.
Description
Technical field
The utility model relates to a kind of hand-operated tools, particularly a kind of ratchet screwdriver.
Background technology
Screwdriver is to be a kind ofly used for twisting screw to force its instrument in place, it generally comprises handle and is coaxially arranged on the screwdriver bar in handle, existing ratchet screwdriver is that ratchet mechanism is set in handle, be used for controlling the acting of screwdriver bar single direction rotation, the appearance of ratchet screwdriver has greatly improved the efficiency of the turn of the screw.Yet, ratchet screwdriver is Shortcomings part also, after screw is unscrewed, because being less than ratchet, the frictional force between screw and equipment promotes the required power of ratchet resilience, so will can there is not relative rotary motion between screwdriver bar and handle, and then make ratchet mechanism lose due function, now operator can only operate ratchet screwdriver as the common screwdriver of operation, uses still relatively effort.
For the problems referred to above, need a kind of ratchet screwdriver of conveniently unscrewing the screw after moving of development, to solve the ratchet screwdriver of prior art, twist the problem that Unscrewed screw is still relatively required great effort.
Summary of the invention
In view of this, problem to be solved in the utility model is to provide a kind of ratchet screwdriver, on this ratchet screwdriver, is provided with the device of conveniently unscrewing screw, and the ratchet screwdriver that has solved prior art is unscrewed the problem that screw is still relatively required great effort.
The purpose of this utility model is to provide a kind of ratchet screwdriver, comprises screwdriver bar and is provided with the handle of ratchet mechanism, and one end of described screwdriver bar extend in described handle and is connected with ratchet mechanism, is positioned on the screwdriver bar of handle outer and is coaxially fixedly installed hand gear.
Further, described hand gear arranges near the junction of handle and screwdriver bar.
The utlity model has following beneficial effect: ratchet screwdriver of the present utility model, comprise screwdriver bar and the inner handle that is provided with ratchet mechanism, one end of described screwdriver bar extend in described handle and is connected with ratchet mechanism, is positioned on the screwdriver bar of handle outer and is coaxially fixedly installed hand gear.When using ratchet screwdriver of the present utility model to unscrew after screw, by rotation hand gear, can easily unload more loosening screw, and then greatly improve the operating efficiency of ratchet screwdriver.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is ratchet screwdriver structural representation of the present utility model.
The specific embodiment
Below with reference to accompanying drawing, the utility model is elaborated:
Ratchet screwdriver of the present utility model, comprises screwdriver bar 3 and the inner handle 1 that is provided with ratchet mechanism 2, and one end of described screwdriver bar 3 extend in described handle 1 and is connected with ratchet mechanism 2, is positioned on the screwdriver bar 3 of handle 1 outside and is coaxially fixedly installed hand gear 4.During use, relative rotation between described handle 1 and screwdriver bar 3, described hand gear 4 together rotates with screwdriver bar 3, when using ratchet screwdriver of the present utility model, unscrew after screw, by rotation hand gear 4, can easily unload more loosening screw, and then greatly improve the operating efficiency of ratchet screwdriver.Certainly, as an alternative solution, described ratchet mechanism 2 can be also that next-door neighbour's handle arranges, or described handle is middle part articulated structure, no matter is the handle of which kind of structure, and it all should belong to protection domain of the present utility model.The front end of described screwdriver bar 3 can arrange and crewdriver attachment connecting hole or projection.
As the further improvement of technique scheme, described hand gear 4 arranges near handle 1 and the junction of screwdriver bar 3, to facilitate the clamping of thumb and forefinger.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (2)
1. a ratchet screwdriver, it is characterized in that: comprise screwdriver bar (3) and be provided with the handle (1) of ratchet mechanism (2), one end of described screwdriver bar (3) extend in described handle (1) and is connected with ratchet mechanism (2), is positioned on the outside screwdriver bar (3) of described handle (1) and is coaxially fixedly installed hand gear (4).
2. ratchet screwdriver according to claim 1, is characterized in that: described hand gear (4) arranges near handle (1) and the junction of screwdriver bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569174.0U CN203460103U (en) | 2013-09-14 | 2013-09-14 | Ratchet screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320569174.0U CN203460103U (en) | 2013-09-14 | 2013-09-14 | Ratchet screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203460103U true CN203460103U (en) | 2014-03-05 |
Family
ID=50172488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320569174.0U Expired - Fee Related CN203460103U (en) | 2013-09-14 | 2013-09-14 | Ratchet screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203460103U (en) |
-
2013
- 2013-09-14 CN CN201320569174.0U patent/CN203460103U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20160914 |